100 lines
2.9 KiB
Markdown
100 lines
2.9 KiB
Markdown
---
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title: JavaScript Date
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category: JavaScript
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layout: 2017/sheet
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weight: -3
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---
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## Date
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{: .-left-reference}
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### Constructor
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```js
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// Now
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new Date()
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```
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```js
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// ms since epoch
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new Date(1419785527580)
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```
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```js
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// Date format
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new Date("May 17, 1995 03:24:00")
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```
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```js
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// ISO date format
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new Date("2013-03-01T01:10:00")
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```
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```js
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new Date(2014, 2, 1, 13, 0, 59, 0)
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```
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### Constructor
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| `new Date(` | `2014,` | `2,` | `1,` | `13,` | `0,` | `59,` | `0)` |
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| Date | Year | Month | Day | Hour | Min | Sec | Milli |
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{: .-css-breakdown}
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Months are zero-indexed (eg, January is `0`).
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### Conversion
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| Method | Result |
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| --- | --- |
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| `d.toString()` | `"Mon Dec 29 2014 00:58:28 GMT+0800 (PHT)"` |
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| `d.toTimeString()` | `"00:58:46 GMT+0800 (PHT)"` |
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| `d.toUTCString()` | `"Sun, 28 Dec 2014 16:58:59 GMT"` |
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| --- | --- |
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| `d.toDateString()` | `"Thu Jan 10 2013"` |
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| `d.toISOString()` | `"2013-01-09T16:00:00.000Z"` |
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| `d.toLocaleString()` | `"12/29/2014, 12:57:31 AM"` |
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| `d.toLocaleTimeString()` | `"12:57:31 AM"` |
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| --- | --- |
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| `d.getTime()` | `1419785527580` |
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Accessing
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---------
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### Getters
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| Method | Result |
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| --- | --- |
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| `.getDate()` | `1..31` |
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| `.getDay()` | `0..6` (sun..sat) |
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| `.getFullYear()` | `2014` |
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| `.getMonth()` | `0..11` |
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| --- | --- |
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| `.getHours()` | |
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| `.getMinutes()` | |
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| `.getSeconds()` | |
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| `.getMilliseconds()` | |
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| --- | --- |
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| `.getTime()` | ms since epoch |
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| `.getTimezoneOffset()` | |
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UTC versions are also available (eg, `.getUTCDate()`, `.getUTCDay()`, etc).
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### Setters
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| Method | Result |
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| --- | --- |
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| `.setDate` _(val)_ | |
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| `.setDay` _(val)_ | |
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| `.setFullYear` _(val)_ | |
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| `.setMonth` _(val)_ | |
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| --- | --- |
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| `.setHours` _(val)_ | |
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| `.setMinutes` _(val)_ | |
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| `.setSeconds` _(val)_ | |
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| `.setMilliseconds` _(val)_ | |
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| --- | --- |
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| `.setTime` _(val)_ | |
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| `.setTimezoneOffset` _(val)_ | |
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See the getters list.
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